PERFORMANCE ANALYSIS OF POWER SAVE MODE IN IEEE 802.11 INFRASTRUCTURE WIRELESS LOCAL AREA NETWORK
- Authors
- Baek, Sangkyu; Choi, Bong Dae
- Issue Date
- 8월-2009
- Publisher
- AMER INST MATHEMATICAL SCIENCES-AIMS
- Keywords
- WLAN; Power save mode; Markov chain
- Citation
- JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION, v.5, no.3, pp.481 - 492
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION
- Volume
- 5
- Number
- 3
- Start Page
- 481
- End Page
- 492
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/119548
- DOI
- 10.3934/jimo.2009.5.481
- ISSN
- 1547-5816
- Abstract
- For the battery-powered wireless stations, power saving is one of the significant issues in IEEE 802.11 wireless local area network (WLAN). Recently, Lei and Nilsson investigated the power save mode in IEEE 802.11 infrastructure mode by an M/G/1 queue with bulk service. They obtained the averge packet delay and lower and upper bounds of the average Percentage of Time a station stays in the Doze state (PTD). In this paper, the further investigation of power save mode is done; simple derivation of the derivation of the average and the variance of packet delay and the exact value of PTD are obtained. Numerical results show that our analytic results for PTD match quite well with simulation results. Using our performance analysis, we can find the maximal listen interval which minimizes the power consumption of a station while satisfying the required quality of service (QoS) on the average and the variance of packet delay.
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